//
//  UserMessage.m
//  HaiGeEr_Student
//
//  Created by liuchen on 2018/9/10.
//  Copyright © 2018年 海格尔. All rights reserved.
//

#import "UserMessage.h"

@implementation UserMessage
+ (instancetype)sharedInstance{
    static UserMessage *s_instance = nil;
    static dispatch_once_t onceToken;
    dispatch_once( &onceToken, ^{
        s_instance=[[UserMessage alloc]init];
    });
    return s_instance;
}







@end
